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Abstract

The present application relates to an arrangement for the advantageous construction of a hydrogen filling station. A particular chem. compd. class, called liq. org. hydrogen carrier (LOHC), is dehydrogenated to a and the hydrogen formed is pressurized by compression in the tank of a vehicle during refueling. LOHC compds. store, per L, almost double the amt. of hydrogen compared to a 700 bar tank, but are themselves stored at ambient temp. and pressure. In embodiments, N-ethylcarbazole, N-(1-Propyl)carbazole or N-isopropylcarbazole, preferably N-ethylcarbazole, is used as LOHC in its energy-poor form. The energy-rich LOHC may be at least partially produced at the site of the service station by by renewably produced electricity, water electrolysis and hydrogenation. [on SciFinder(R)]